diff --git a/ComputerShopBusinessLogic/ComputerShopBusinessLogic.csproj b/ComputerShopBusinessLogic/ComputerShopBusinessLogic.csproj
index 63a55ef..bb69535 100644
--- a/ComputerShopBusinessLogic/ComputerShopBusinessLogic.csproj
+++ b/ComputerShopBusinessLogic/ComputerShopBusinessLogic.csproj
@@ -6,8 +6,16 @@
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="NLog.Extensions.Logging" Version="5.3.8" />
+  </ItemGroup>
+
   <ItemGroup>
     <ProjectReference Include="..\ComputerShopContracts\ComputerShopContracts.csproj" />
   </ItemGroup>
 
+  <ItemGroup>
+    <Folder Include="BusinessLogics\" />
+  </ItemGroup>
+
 </Project>
diff --git a/ComputerShopContracts/BindingModels/UserBindingModel.cs b/ComputerShopContracts/BindingModels/UserBindingModel.cs
new file mode 100644
index 0000000..6031abb
--- /dev/null
+++ b/ComputerShopContracts/BindingModels/UserBindingModel.cs
@@ -0,0 +1,20 @@
+using ComputerShopDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopContracts.BindingModels
+{
+	public class UserBindingModel : IUserModel
+	{
+		public int Id { get; set; }
+		//!!!МБ НЕ НАДО string.Empty
+		public string Login { get; set; } = string.Empty;
+		//!!!МБ НЕ НАДО string.Empty
+		public string Password { get; set; } = string.Empty;
+		//!!!МБ НЕ НАДО string.Empty
+		public string Email { get; set; } = string.Empty;
+	}
+}
diff --git a/ComputerShopContracts/BusinessLogicContracts/IUserLogic.cs b/ComputerShopContracts/BusinessLogicContracts/IUserLogic.cs
new file mode 100644
index 0000000..0a6ce48
--- /dev/null
+++ b/ComputerShopContracts/BusinessLogicContracts/IUserLogic.cs
@@ -0,0 +1,20 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.SearchModels;
+using ComputerShopContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopContracts.BusinessLogicContracts
+{
+	public interface IUserLogic
+	{
+		List<UserViewModel>? ReadList(UserSearchModel? model);
+		UserViewModel? ReadElement(UserSearchModel model);
+		bool Create(UserBindingModel model);
+		bool Update(UserBindingModel model);
+		bool Delete(UserBindingModel model);
+	}
+}
diff --git a/ComputerShopContracts/SearchModels/UserSearchModel.cs b/ComputerShopContracts/SearchModels/UserSearchModel.cs
new file mode 100644
index 0000000..cb907f2
--- /dev/null
+++ b/ComputerShopContracts/SearchModels/UserSearchModel.cs
@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopContracts.SearchModels
+{
+	public class UserSearchModel
+	{
+		public int? Id { get; set; }
+		public string? Login { get; set; }
+
+		//!!!ПОИСК ПО ПАРОЛЮ НЕ СТАЛ ДОБАВЛЯТЬ, ИБО СТРАННО
+
+		public string? Email { get; set; }
+	}
+}
diff --git a/ComputerShopContracts/StorageContracts/IUserStorage.cs b/ComputerShopContracts/StorageContracts/IUserStorage.cs
new file mode 100644
index 0000000..4874afc
--- /dev/null
+++ b/ComputerShopContracts/StorageContracts/IUserStorage.cs
@@ -0,0 +1,21 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.SearchModels;
+using ComputerShopContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopContracts.StorageContracts
+{
+	public interface IUserStorage
+	{
+		List<UserViewModel> GetFullList();
+		List<UserViewModel> GetFilteredList(UserSearchModel model);
+		UserViewModel? GetElement(UserSearchModel model);
+		UserViewModel? Insert(UserBindingModel model);
+		UserViewModel? Update(UserBindingModel model);
+		UserViewModel? Delete(UserBindingModel model);
+	}
+}
diff --git a/ComputerShopContracts/ViewModels/UserViewModel.cs b/ComputerShopContracts/ViewModels/UserViewModel.cs
new file mode 100644
index 0000000..c644d94
--- /dev/null
+++ b/ComputerShopContracts/ViewModels/UserViewModel.cs
@@ -0,0 +1,25 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopContracts.ViewModels
+{
+	public class UserViewModel
+	{
+		//!!!МБ ТУТ НАДО DisplayName (НО ВРЯД ЛИ)
+		public int Id { get; set; }
+		
+		//!!!МБ ТУТ НЕ НУЖНЫ string.Empty
+		[DisplayName("Логин")]
+		public string Login { get; set; } = string.Empty;
+
+		[DisplayName("Пароль")]
+		public string Password { get; set; } = string.Empty;
+
+		[DisplayName("Почта")]
+		public string Email { get; set; } = string.Empty;
+	}
+}
diff --git a/ComputerShopDataModels/Models/IUserModel.cs b/ComputerShopDataModels/Models/IUserModel.cs
new file mode 100644
index 0000000..7279902
--- /dev/null
+++ b/ComputerShopDataModels/Models/IUserModel.cs
@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopDataModels.Models
+{
+	public interface IUserModel : IId
+	{
+		string Login { get; }
+		string Password { get; }
+		string Email { get; }
+	}
+}